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How can I do DNS lookups in Python, including referring to /etc/hosts?
...y sure if you want to do DNS lookups yourself or if you just want a host's ip. In case you want the latter,
import socket
print(socket.gethostbyname('localhost')) # result from hosts file
print(socket.gethostbyname('google.com')) # your os sends out a dns query
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Max length for client ip address [duplicate]
...uld you recommend as the maximum size for a database column storing client ip addresses? I have it set to 16 right now, but could I get an ip address that is longer than that with IPv6, etc?
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What is the best way to remove accents (normalize) in a Python unicode string?
... to work well with Chinese, but the transformation of the French name "François" unfortunately gives "FranASSois", which is not very good, compared to the more natural "Francois".
– Eric O Lebigot
Sep 17 '11 at 14:56
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std::string截取字符串，截取ip:port - c++1y / stl - 清泛IT社区，为创新赋能！
std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1).c_str();
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...eregi('flashget', $agent)){
$os = 'flashget';
}
else if (eregi('webzip', $agent)){
$os = 'webzip';
}
else if (eregi('offline', $agent)){
$os = 'offline';
}
else {
$os = 'Unknown';
}
return $os;
}
二、获取浏览器信息：
/**
* 获取浏览器信息
*
* @r...
Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网...
...件
英国情报和安全机构政府通信总部（GCHQ）是著名的监控计划，在涉及爱德华·斯诺登案后被处理。但是，像任何一个聪明的政府机构，他们使用了大量的开源软件和同开源社区协作。该机构最近将一个内部软件开源，新的...
How to make unicode string with python3
...st place, but I think it was because the name can contains Swedish letters åäöÅÄÖ. But even they work without "unicode".
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How to find SQL Server running port?
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GO
xp_readerrorlog 0, 1, N'Server is listening on'
GO
http://www.mssqltips.com/sqlservertip/2495/identify-sql-server-tcp-ip-port-being-used/
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Add Keypair to existing EC2 instance
...eating these steps until you have it working.
Note: If you had an Elastic IP address assigned to instance A when you stopped it, you’ll need to reassociate it after starting it up again.
Remember! If your instance B was temporarily started just for this process, don’t forget to terminate it no...